Opal
1
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Opal, 6.2 cm, from Boi Morto, Piaui, Brazil. Photo by Jeff Glover.
Product details
SpeciesOpal
SizeSmall Cabinet
Dimensions6.2 cm
Added on02/13/2026
LocalityBoi Morto Mine, Pedro
Publications
- Mineralogical Record Mineral Collections In American Northeast page 234
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Mineral guide
Learn about Opal
amorphous silica with water and a spectacular play-of-color; black, boulder, and fire opal varieties capture brightness, color, and collecting appeal.
Regional guide
Opal from Boi Morto Mine, Pedro
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